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QSI · Quantum-Si Inc
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QSI Quantum-Si (QSI) Insider Trading, Ownership & Congress Trades

Industrials · Measuring & controlling devices, nec · CIK 0001816431
Quote by TradingView
Form 144 · 3
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
64
13F, latest reported quarter

What the filings say about QSI

Insiders, 180 days
-$110.7K net sold
4 sellers · 0% of sales under a 10b5-1 plan
Planned sales (Form 144), 90 days
$39.4K
3 notices

Quantum-Si insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

Over the last 180 days, Quantum-Si Inc insiders sold a net $110.7K of stock across 79 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing
LaPointe Christian
GC & Corp. Secretary
SELL
2026-09-23 SECtraded 2026-09-22
4,721
$3.6K
+86.0%
Context
  • 16 earlier Form 4 trades (code P or S) here by this insider (4 buys, 12 sales), the last on Sep 21, 2026.
  • -10.9% median (-9.6% mean) 90-day return after 4 previous buys.
  • The trade is 0.4% of the 1,167,913 shares held after it.
  • 2 other insiders sold within 30 days.
  • 64 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: GC & Corp. Secretary LaPointe Christian sold about $3.6K of QSI on Sep 22, 2026; 2 other insiders sold within 30 days and 64 funds added in the latest 13F quarter.
Keyes Jeffry R.
Chief Financial Officer
SELL
2026-09-23 SECtraded 2026-09-22
2,493
$1.9K
+86.0%
Context
  • 14 earlier Form 4 trades (code P or S) here by this insider (2 buys, 12 sales), the last on Sep 21, 2026.
  • -2.5% median (-2.5% mean) 90-day return after 2 previous buys.
  • The trade is 0.1% of the 1,716,684 shares held after it.
  • 2 other insiders sold within 30 days.
  • 64 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Financial Officer Keyes Jeffry R. sold about $1.9K of QSI on Sep 22, 2026; 2 other insiders sold within 30 days and 64 funds added in the latest 13F quarter.
Hawkins Jeffrey Alan
President & CEO
SELL
2026-09-23 SECtraded 2026-09-22
9,709
$7.4K
+86.0%
Context
  • 14 earlier Form 4 trades (code P or S) here by this insider (2 buys, 12 sales), the last on Sep 21, 2026.
  • -6.1% median (-6.1% mean) 90-day return after 2 previous buys.
  • The trade is 0.3% of the 3,639,950 shares held after it.
  • 2 other insiders sold within 30 days.
  • 64 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: President & CEO Hawkins Jeffrey Alan sold about $7.4K of QSI on Sep 22, 2026; 2 other insiders sold within 30 days and 64 funds added in the latest 13F quarter.
LaPointe Christian
GC & Corp. Secretary
SELL
2026-09-23 SECtraded 2026-09-21
9,795
$7.4K
+86.0%
Context
  • 15 earlier Form 4 trades (code P or S) here by this insider (4 buys, 11 sales), the last on Jun 23, 2026.
  • -10.9% median (-9.6% mean) 90-day return after 4 previous buys.
  • The trade is 0.8% of the 1,172,634 shares held after it.
  • 2 other insiders sold within 30 days.
  • 64 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: GC & Corp. Secretary LaPointe Christian sold about $7.4K of QSI on Sep 21, 2026; 2 other insiders sold within 30 days and 64 funds added in the latest 13F quarter.
Keyes Jeffry R.
Chief Financial Officer
SELL
2026-09-23 SECtraded 2026-09-21
5,172
$3.9K
+86.0%
Context
  • 13 earlier Form 4 trades (code P or S) here by this insider (2 buys, 11 sales), the last on Jun 23, 2026.
  • -2.5% median (-2.5% mean) 90-day return after 2 previous buys.
  • The trade is 0.3% of the 1,719,177 shares held after it.
  • 2 other insiders sold within 30 days.
  • 64 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Financial Officer Keyes Jeffry R. sold about $3.9K of QSI on Sep 21, 2026; 2 other insiders sold within 30 days and 64 funds added in the latest 13F quarter.
79 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
See all insider buying · insider selling
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Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$110.7K over 180 days
-$39.4K over 90 days
more than 74% of Industrials
Congress
no House purchase disclosed in the last 12 months
Funds
64 funds bought in last quarter
below 74% of Industrials
Revenue
-20.3% year over year
below 93% of Industrials
Margin
-4160.1% net margin
the lowest in Industrials
Buybacks
no share repurchases reported
Short interest
7.3% of the float short (float per yahoo 2026-10-27) · 1.0 days to cover · settled 2026-10-15
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch QSI

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
-33.6%12M
-68%-43%-18%+6%2025-102025-122026-022026-042026-062026-082026-10 2026-03-05 · Kummeth Charles R. bought $460.0K2026-03-05 · Dowdy Paula bought $104.4K2026-04-20 · Hawkins Jeffrey Alan sold $84.5K2026-04-21 · Hawkins Jeffrey Alan sold $83.7K2026-04-20 · Keyes Jeffry R. sold $37.8K2026-04-21 · Keyes Jeffry R. sold $37.4K2025-12-22 · Hawkins Jeffrey Alan sold $30.3K2025-12-22 · Vieceli John S. sold $28.1K2025-12-22 · LaPointe Christian sold $15.3K2026-09-21 · Hawkins Jeffrey Alan sold $15.2K2026-06-22 · Vieceli John S. sold $14.5K2026-06-23 · Vieceli John S. sold $13.6K2025-12-22 · Keyes Jeffry R. sold $11.0K2026-06-22 · Hawkins Jeffrey Alan sold $10.9K2026-06-23 · Hawkins Jeffrey Alan sold $10.2K2026-03-23 · Hawkins Jeffrey Alan sold $10.1K2026-03-20 · Hawkins Jeffrey Alan sold $9.9K2026-03-23 · Vieceli John S. sold $9.3K2026-03-20 · Vieceli John S. sold $9.1K2026-06-22 · LaPointe Christian sold $7.5K2026-09-21 · LaPointe Christian sold $7.4K2026-09-22 · Hawkins Jeffrey Alan sold $7.4K2026-06-23 · LaPointe Christian sold $7.0K2026-03-23 · LaPointe Christian sold $5.1K2026-03-20 · LaPointe Christian sold $5.0K2026-06-22 · Keyes Jeffry R. sold $4.0K2026-09-21 · Keyes Jeffry R. sold $3.9K2026-06-23 · Keyes Jeffry R. sold $3.7K2026-03-23 · Keyes Jeffry R. sold $3.7K2026-03-20 · Keyes Jeffry R. sold $3.6K2026-09-22 · LaPointe Christian sold $3.6K2026-09-22 · Keyes Jeffry R. sold $1.9K2026-09-23 · Hawkins Jeffrey Alan filed to sell $22.6K2026-09-23 · Keyes Jeffry R. filed to sell $5.8K2026-09-23 · LaPointe Christian filed to sell $11.0K2026-06-24 · Hawkins Jeffrey Alan filed to sell $21.0K2026-06-24 · Keyes Jeffry R. filed to sell $7.6K2026-06-24 · LaPointe Christian filed to sell $14.5K2026-06-24 · Vieceli John S. filed to sell $28.1K
Insider buyInsider sellForm 144 (planned sale)
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns QSI: institutional holders (13F)

13F holdings, latest reported quarter
VANGUARD CAPITAL MANAGEMENT LLC
7,578,208 sh
$6.7M
ARK Investment Management LLC
7,167,738 sh
$6.3M
BlackRock, Inc.
5,225,352 sh
$4.6M
Amova Asset Management Americas, Inc.
3,885,230 sh
$3.5M
Sumitomo Mitsui Trust Group, Inc.
3,885,230 sh
$3.4M

Congress trades in QSI

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

QSI planned insider sales (Form 144)

Notice of intent to sell, filed before any sale
Hawkins Jeffrey Alan
Filed 2026-09-23
$22.6K
Keyes Jeffry R.
Filed 2026-09-23
$5.8K
LaPointe Christian
Filed 2026-09-23
$11.0K
Hawkins Jeffrey Alan
Filed 2026-06-24
$21.0K
Keyes Jeffry R.
Filed 2026-06-24
$7.6K

QSI mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
ARK Genomic Revolution ETF
$4.8M position · as of 2026-07-31
0.3%
Ultra-Small Company Market Fund
$177.0K position · as of 2026-06-30
0.1%
Invesco Nasdaq Biotechnology ETF
$12.3K position · as of 2026-05-31
0.0%
VANGUARD RUSSELL 2000 VALUE INDEX FUND
$157.8K position · as of 2026-05-31
0.0%
ProShares Ultra Nasdaq Biotechnology
$8.6K position · as of 2026-05-31
0.0%
iShares Biotechnology ETF
$1.1M position · as of 2026-06-30
0.0%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Executive pay vs shareholder return · Jeffrey Hawkins
CEO pay, headline and as actually paid, against the company's return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2025
$3.2M
-$2.9M
$1.6M
-40%
n/a
2024
$4.4M
$8.7M
$1.6M
+48%
n/a
2023
$1.1M
$1.9M
$1.3M
+10%
n/a
Tagged by the company under SEC Item 402(v). Returns are cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
Insiders have filed to sell, before selling.
The record shows a net $110.7K sold by insiders over 180 days, 64 funds added last quarter, $39.4K in planned Form 144 sales. Each figure is a federal filing, dated the day it went public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector by SEC SIC code
AXONTMOROKPKOHOFLXXPELSYMLIIITRIWABSNASXI

QSI financials

Revenue growth
-20.3%
XBRL, annual
Net margin
-4160.1%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$1.6M
four quarters, 2025-07-01 to 2026-06-30
Net margin, TTM
-6,138%
net income over revenue, 2025-07-01 to 2026-06-30
Free cash flow, TTM
-$93.7M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Debt to equity
n/a
no debt line filed
Cash flow to debt
n/a
no debt line filed
Return on equity
-49.1%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets
-44.0%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on invested capital
n/a
pre-tax loss, no effective tax rate to apply
Return on capital employed
-53.7%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Enterprise value
n/a
no share count filed
FCF yield
n/a
no share count filed
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Price as of 2026-10-26. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-122024-122023-122022-12
Revenue$2.4M$3.1M$1.1M$0
Gross profit$1.2M$1.6M$488.0K$0
Operating income-$116.1M-$108.6M-$111.2M-$123.8M
Net income-$101.3M-$101.0M-$96.0M-$132.4M
EPS (diluted)-0.51-0.71-0.68-0.95
Operating cash flow-$94.7M-$87.8M-$94.0M-$90.6M
Cash$21.6M$49.2M$133.9M$84.3M
SEC XBRL, fiscal years, as known on 2026-10-28

QSI Stock Sonar score 5/7 axes

Find similar shapesCompare

QSI ranks highest on risk and compliance (55th percentile) and insider conviction (36th), and lowest on growth (7th), among Industrials peers.

ProfitGrowthInsidersInstitutionsRisk
Profitability
11
Inputs
  • Return on equity-49.1% · 12 pct, sector of 198
  • Return on assets-44.0% · 11 pct, sector of 224
  • Return on invested capitalpre-tax loss, no effective tax rate to apply
  • Return on capital employed-53.7% · 9 pct, sector of 195
Growth
7
Inputs
  • Revenue growth, YoY-20.3% · 7 pct, sector of 255
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Insider conviction
36
Inputs
  • Net Form 4 buying (codes P and S), 180d-$111K · 72 pct, sector of 171
  • Insider buyers, 180d0 · 0 pct, sector of 173
Institutional and government
26
Inputs
  • Funds adding, latest quarter64 · 26 pct, sector of 200
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
55
Inputs
  • Short interest, % of float+7.3% · 26 pct, sector of 271
  • Recalls per $1B revenue, 3yrevenue under $50M or not filed, so a count cannot be scaled to size
  • EPA cases per $1B revenue, 5yrevenue under $50M or not filed, so a count cannot be scaled to size
  • New text in Risk Factors, latest 10-K+5.7% · 84 pct, sector of 197
2 not measured: Financial health, US patents
  • Financial health needs 1 of 2 inputs, 0 present: no debt line filed
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

5 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

QSI filings, in plain words

Are Quantum-Si insiders buying or selling QSI?

In the 180 days to 2026-10-28, Quantum-Si insiders were net sellers, a net $110.7K across purchases and sales reported on Form 4, by 4 sellers.

Are there planned insider sales of QSI?

Yes. 3 Form 144 notices of planned insider sales were filed in the 90 days to 2026-10-28, covering $39.4K of stock; the latest, by Hawkins Jeffrey Alan, was filed 2026-09-23.

Read the full summary

In the 180 days to 2026-10-28, Quantum-Si insiders were net sellers of QSI, a net $110.7K across purchases and sales reported on Form 4 by 4 sellers. None of the 14 insider sales was flagged as made under a Rule 10b5-1 plan. Insiders filed 3 Form 144 notices of intent to sell in the 90 days to 2026-10-28, covering $39.4K of stock. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.

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